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Full Stack Software Engineer (TS/SCI w/ Poly)

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Last seen by MeritLog September 9, 2026Source: GreenhouseSource version: greenhouse-job-board-v1

Source: the employer's Greenhouse job board. Open the original listing for current details. Availability is not verified for this retained page.

Job details

Work model: On-site
Salary: Not listed by source
Location: Onsite - Fort Meade, MD
Occupation: Software Developers(O*NET 15-1252.00)

What the role asks for

What you'd do

Design, develop, test, and deploy software applications and systems in support of government and customer missions.
Write clean, efficient, and maintainable code using modern programming languages and development practices.
Support integration, debugging, and testing activities in both lab and operational environments.
Ensure software meets security, performance, and reliability standards, in compliance with government policies and frameworks.

What they're asking for

US Citizen with the ability to obtain a US Government Security clearance up to the Secret or TS levelCredential
Proficiency in one or more programming languages such as Python, C++, Java, or C.Skill
Experience developing software in Linux-based environments.Skill
Strong problem-solving skills and the ability to work independently or as part of a collaborative team.Skill
Experience supporting DoD, IC, or federal government software development projects.Skill
Knowledge of DevSecOps, containerization, or distributed systems.Skill

Parsed by MeritLog from the employer’s own posting. The full description follows below.

Job description

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape. • Position: Software Engineer • Job Type: Full Time • Location: Onsite, Ft-Meade, MD • Clearance Requirements: TS/SCI w/ Poly • Travel: None ABOUT THE TEAM SIXGEN supports missions by serving government and commercial organizations as they overcome global cybersecurity challenges. In this position, you’ll provide meaningful support to our customer’s missions and operations. You’ll work alongside a team of highly skilled operators who are dedicated to using innovative processes, tools, and techniques to get things done. WHAT YOU’LL DO • Design, develop, test, and deploy software applications and systems in support of government and customer missions. Collaborate with systems engineers, analysts, and end users to understand technical requirements and translate them into software solutions. • Write clean, efficient, and maintainable code using modern programming languages and development practices. • Support integration, debugging, and testing activities in both lab and operational environments. • Ensure software meets security, performance, and reliability standards, in compliance with government policies and frameworks. REQUIRED QUALIFICATIONS • US Citizen with the ability to obtain a US Government Security clearance up to the Secret or TS level • Proficiency in one or more programming languages such as Python, C++, Java, or C. • Experience developing software in Linux-based environments. Familiarity with secure coding practices and software lifecycle principles. • Strong problem-solving skills and the ability to work independently or as part of a collaborative team. • Experience supporting DoD, IC, or federal government software development projects. • Knowledge of DevSecOps, containerization, or distributed systems. Familiarity with Agile methodologies and tools like Git, Jira, and CI/CD pipelines. COMPENSATION & BENEFITS $90,000 - $185,000 USD The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. The final salary offer will be determined after a thorough review of the candidate's background and alignment with the role. Additionally, SIXGEN offers top-tier benefits for full-time employees, including: • Employer-paid health insurance premiums (medical, dental, vision) for you and your family • Employer-paid short/long term disability insurance and basic life/AD&D insurance • 401K with a 4% employer contribution • Professional development reimbursement options available (training, certification, education, etc) • Flexible and remote work policies for most positions • Flexible PTO and holiday schedule OUR COMMITMENT SIXGEN is an Equal Opportunity Employer. We ensure that all applicants are considered for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, age, marital status, ancestry, projected veteran status, or any other protected group or class. We are committed to fostering an inclusive culture that values diversity in our people, reflecting the communities we serve and our customer base. We strive to attract and retain a diverse talent pool and create an environment where everyone is empowered to be their authentic selves at work.

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